x Y1 Y2 0 5.5 0.8 0.1 7.2 1.5 0.2 10.4 2.6 0.3 7.4 1.5 0.4 7.2 1.4 0.5 9.1 2.1 0.6 15.9 3.9 0.7 12.7 3.3 0.8 11.3 3 0.9 14.4 3.9 1 14.8 4.2 1.1 17.1 4.8 1.2 31.4 6.9 1.3 17.5 5.5 1.4 27.6 7.3 1.5 19.6 6.7 1.6 27.1 8.2 1.7 21 8.1 1.8 33.8 10.2 1.9 30.2 10.7 2 45.1 12.8